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Find the interval [μ−z σn√,μ+z σn√] within which 95 percent of the sample means would be...

Find the interval [μ−z σn√,μ+z σn√] within which 95 percent of the sample means would be expected to fall, assuming that each sample is from a normal population. (a) μ = 206, σ = 15, n = 48. (Round your answers to 2 decimal places.) The 95% range is from to . (b) μ = 1,071, σ = 14, n = 11. (Round your answers to 2 decimal places.) The 95% range is from to . (c) μ = 47, σ = 3, n = 21. (Round your answers to 3 decimal places.) The 95% range is from to . References Worksheet  

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